<?php
ini_set('date.timezone','Asia/Shanghai');
error_reporting(E_ERROR);

require_once "lib/WxPayApi.php";
require_once 'lib/WxPayNotify.php';
require_once 'lib/log.php';
//初始化日志
$logHandler= new CLogFileHandler("log");
$log = Log::Init($logHandler, 15);
class PayNotifyCallBack extends WxPayNotify
{

	//查询订单
	public function Queryorder($transaction_id)
	{
		$input = new WxPayOrderQuery();
		$input->SetTransaction_id($transaction_id);
		$result = WxPayApi::orderQuery($input);
		Log::DEBUG("query:" . json_encode($result));
		if(array_key_exists("return_code", $result)
			&& array_key_exists("result_code", $result)
			&& $result["return_code"] == "SUCCESS"
			&& $result["result_code"] == "SUCCESS")
		{
			return true;
		}
		return false;
	}
	
	//重写回调处理函数
	public function NotifyProcess($data, &$msg)
	{
		Log::DEBUG("call back:" . json_encode($data));
		$notfiyOutput = array();
		
		if(!array_key_exists("transaction_id", $data)){
			$msg = "输入参数不正确";
			return false;
		}
		//查询订单，判断订单真实性
		if(!$this->Queryorder($data["transaction_id"])){
			$msg = "订单查询失败";
			return false;
		}
		return true;
	}
	public function do_notify(){
		Log::DEBUG("begin notify");
		$xml = $GLOBALS['HTTP_RAW_POST_DATA'];
		$notify = new PayNotifyCallBack();
		//获取支付回调结果。
		$data = $notify->FromXml($xml);
		$return=null;
		Log::DEBUG($data['result_code']);
		if ($data['result_code'] == 'SUCCESS') {
			$sn=$data['out_trade_no'];
			$return =$sn;
		}
		return $return;
	}
	
}